48results about How to "High storage rate" patented technology

The invention discloses a reflective surface system which can unfold the space, comprising a foldable ring rod, a foldable rib rod, a connecting joint, a central cylinder, and an air aerated circular ring and a driving rope. The foldable ring rod (1) and the foldable rib rod (3) are respectively connected to the ring rod connecting joint (2) and the rib rod connecting joint (4), forming a ring-rib structure; the ring-rib structure is connected to the central cylinder (7) via a ring rib connecting joint (5) and a rib cylinder connecting joint (6); the air aerated circular ring (8) and the driving rope (9) are provided on the grid skeleton in crossing way to form the reflective surface structure. The air aerated circular ring can be solidified after the molding to enhance the structure precision of the reflective surface; the driving rope can enhance the structure precision of the reflective surface; the metal net or the aluminum plating film structure bound to the driving rope eventually form the expected large foldable reflective surface. The invention is used for forming a large foldable device of the foldable antenna, the reflector or gathers.

A high-rigidity synchronously unfolding and folding space extension arm, which is composed of a repeatable and expandable expandable and folding truss unit, a drive system, a power supply system and a supporting space platform. They can be connected through standard triangular joints, and the drive system is located in the triangular space at the bottom of the extension arm, connected to the supporting space platform, and connected to the power supply system through the transmission shaft. The invention adopts a triangular prism truss structure, which has the characteristics of geometric stability, structural rigidity and high unit repeatability, and can realize synchronous unfolding and folding, ensuring unfolding accuracy and repeatability accuracy, and can be applied to large-scale communication satellites, electronic reconnaissance satellites, The expandable antenna back frame of the space station platform, the solar sail arm frame, the feed source bracket, the spacecraft accessory connection mechanism, etc.

The invention discloses a connection joint for ensuring the synchronous movement of rod pieces. The connection joint comprises a base, N L-shaped plates, N T-shaped rotating shafts and 2N conical gears, wherein N is an integer more than 2, the N L-shaped plates are arranged on one surface of the base in a central symmetrical manner, each T-shaped rotating shaft is arranged between the two adjacent L-shaped plates, the two ends of each T-shaped rotating shaft respectively penetrate through the adjacent L-shaped plates so as to be connected with one conical gear, and each L-shaped plate is meshed with the two adjacent conical gears. Each L-shaped plate is formed by connecting two same straight plates, and a break angle is arranged between the two straight plates. According to the connection joint, the cost is low, the condition that the rod pieces can freely rotate for 180 degrees is ensured, and the rod pieces to be connected are in accurate synchronous movement.

The invention discloses a novel fixed-surface deployable antenna structure, and the structure is characterized in that the structure comprises a central disc base which has N sides which are arrangedto be a polygon; folding units which are circumferentially distributed in the circumferential direction of the central disc base, wherein the number of the folding units is N, and the folding units are hinged to each edge of the central disc base; each folding unit is composed of a first panel body, a second panel body and a third panel body, the first panel body and the second panel body intersect to form a first peak line, and the second panel body and the third panel body intersect to form a valley line; the first panel of one folding unit in two adjacent folding units is intersected with the third panel of the other folding unit to form a second peak line; and the extension lines of the first peak line, the valley line and the second peak line penetrate through the regular polygon corner of the central disc base. The fixed-surface deployable antenna structure has the advantages of simple integral device, light weight, high antenna storage rate, particularly high storage rate in theheight direction, simplicity in control and operation of the deploying process, capability of maintaining the deploying configuration of the antenna and the like.

The invention discloses a connection joint for ensuring the synchronous movement of rod pieces. The connection joint comprises a base, N L-shaped plates, N T-shaped rotating shafts and 2N conical gears, wherein N is an integer more than 2, the N L-shaped plates are arranged on one surface of the base in a central symmetrical manner, each T-shaped rotating shaft is arranged between the two adjacent L-shaped plates, the two ends of each T-shaped rotating shaft respectively penetrate through the adjacent L-shaped plates so as to be connected with one conical gear, and each L-shaped plate is meshed with the two adjacent conical gears. Each L-shaped plate is formed by connecting two same straight plates, and a break angle is arranged between the two straight plates. According to the connection joint, the cost is low, the condition that the rod pieces can freely rotate for 180 degrees is ensured, and the rod pieces to be connected are in accurate synchronous movement.

The invention discloses a truss-type synchronously deployable antenna, which is composed of an antenna wire net, a synchronously deployable mechanism and a drive assembly; the synchronously deployable mechanism is divided into a first synchronously deployable mechanism, a second synchronously deployable mechanism and a The third synchronously expandable mechanism. The antenna wire net and the driving component respectively form three types of truss-type synchronous deployable antennas with the first synchronous deployable mechanism, the second synchronous deployable mechanism, and the third synchronous deployable mechanism; under the action of the driving component, the antenna wire net The space-synchronous deployment is realized through the synchronous expandable mechanism. After the deployment is completed, under the action of the locking mechanism, the antenna as a whole is stable in a fully deployed state. The truss-type synchronously deployable antenna has the characteristics of large deployment aperture, high storage rate, high spatial synchronization deployment accuracy, and strong support rigidity. The synchronous expandable mechanism can be used in the fields of solar sail panels and retractable roof structure engineering, and the antenna can also be used in space or on the ground as reflectors or concentrators.

The invention discloses a flexible rib unfoldable antenna apparatus with an active profile adjustment function. The flexible rib unfoldable antenna apparatus comprises a profile adjustment apparatus Amounted on a flexible rib unfoldable supporting apparatus; a reflective film surface is attached to the profile adjustment apparatus A; the flexible rib unfoldable supporting apparatus comprises a central winding body and multiple rib plates clamped and mounted on the central winding body through multiple sections of rib plate clamping pieces; in an initial state, the rib plates are wound aroundthe central winding body in a bundling and fixing manner by ropes; after the antenna is launched to enter a track, the ropes for bundling are broken automatically and the flexible rib plates are unfolded to a straight state, and the reflective film surface attached to the profile adjustment apparatus A is opened to realize unfolding of the antenna; the apparatus does not extra driving mechanism, so that the whole weight of the apparatus is reduced, and the working precision requirement of the reflective film surface is ensured effectively; after the antenna is unfolded, a locking apparatus isnot needed, so that the mode of implementation is simple, and operation is stable and reliable; and an unfolding mechanism is simple and high in storage rate, so that the flexible rib unfoldable antenna apparatus is applicable to communication satellite and space exploration.

The invention discloses an elastic-hinge-driven double-layer annular truss antenna mechanism, relates to an unfoldable antenna mechanism and aims to solve the problems that an existing monocyclic annular truss mechanism is decreased in rigidity along with increase of the antenna aperture and thereby cannot achieve the use stiffness requirements, and an existing annular truss antenna is complex in driving mechanism, large in mechanism weight and quite low in unfolding reliability. The elastic-hinge-driven double-layer annular truss antenna mechanism comprises inner-ring annular truss components, outer-ring annular truss components, a plurality of inner-and-outer-ring connection truss components and a plurality of inhaul cable components, each of the inner-ring annular truss components and the outer-ring annular truss components comprises a plurality of elastic-hinge-driven foldable and unfoldable units and a plurality of elastic-hinge-driven transition foldable and unfoldable components, each two adjacent elastic-hinge-driven foldable and unfoldable units are connected through the corresponding elastic-hinge-driven transition foldable and unfoldable component, and four corresponding vertex angles between each inner-ring annular truss component and the corresponding outer-ring annular truss component are supported and are connected rotatably by one inner-and-outer-ring connection truss component. The elastic-hinge-driven double-layer annular truss antenna mechanism is used for satellites, space stations and space probes.

Provided is a packaging material 1 for cleaning blades 100 comprising: a set of support part main bodies 10 each supporting both end parts 104, 105 of holder parts 102; a connecting part 20 for connecting the set of support part main bodies 10; and a storage part 30 that is a space between the set of support part main bodies 10 and that stores a plurality of the cleaning blades 100 which are supported by the set of support part main bodies 10 and are stacked in a vertical direction, wherein a first support part main body 10a and a second support part main body 10b in the set of support part main bodies 10 support either of the end parts 104, 105 of the holder parts 102 of the stacked plurality of cleaning blades 100, and are provided with a first supporting part 11a or a second supportingpart 11b comprising a groove that extends in a vertical direction and is open at the upper side thereof.